In which county is ZIP code 37166 located?

ZIP 37166 is listed under DeKalb, TN.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 37166: Smithville, TN

ZIP: 37166

County: DeKalb

Coordinates: 35.92990, -85.80460

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 37166, serving Smithville in TN. It lies in DeKalb and supports delivery, planning, and address verification.

Primary City	Smithville
ZIP Code	37166
County	DeKalb
State	TN
Latitude / Longitude	35.92990, -85.80460
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 37166 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 37166 is approximately 35.92990 (latitude) and -85.80460 (longitude). This location sits within DeKalb, contributing to regional planning across TN.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 37166 for mail delivery and general location reference in DeKalb, TN.

This ZIP may extend beyond the city core into nearby communities within DeKalb.

Related ZIP Codes (Nearby)

Explore other postal codes near Smithville within TN.

Frequently Asked Questions

What is the primary city for ZIP code 37166?

The primary city for this ZIP code is Smithville, located in TN.

In which county is 37166 located?

ZIP code 37166 is situated within DeKalb, TN.

What are the coordinates for 37166?

The approximate center point is 35.92990 (Latitude) and -85.80460 (Longitude).

Is ZIP code 37166 active?

This page lists ZIP 37166 as Listed based on the latest refresh date shown above.

Does ZIP 37166 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08